25740541 has 4 divisors (see below), whose sum is σ = 26050752. Its totient is φ = 25430332.

The previous prime is 25740521. The next prime is 25740569. The reversal of 25740541 is 14504752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25740541 - 2⁷ = 25740413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25740511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154981 + ... + 155146.

It is an arithmetic number, because the mean of its divisors is an integer number (6512688).

Almost surely, 2^25740541 is an apocalyptic number.

It is an amenable number.

25740541 is a deficient number, since it is larger than the sum of its proper divisors (310211).

25740541 is an equidigital number, since it uses as much as digits as its factorization.

25740541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310210.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 25740541 is about 5073.5136739739. The cubic root of 25740541 is about 295.2608666351.

The spelling of 25740541 in words is "twenty-five million, seven hundred forty thousand, five hundred forty-one".